Reuters/Eduardo Munoz
And yet - despite these alarming statistics - victims still struggle be taken seriously. They are blamed for what happened to them. They are accused of lying about or "asking for" attacks. Convicted assailants still get minimal jail time or no jail time at all.
These overwhelming injustices have prompted many celebrities to speak out on behalf of marginalized victims. These 13 stars have used their platforms to publicly support survivors of sexual assault - and publicly condemn the cultural attitudes that propagate such crimes in the first place. Here's a look at how they've raised their voices: